阻力训练与可变负载强度的肌肉衰竭:对训练后血压和心率变化的影响训练过的男性心率变化
Ali Kamil Güngör1, Hüseyin Topçu2, Monira I Aldhahi3
1Department of Coaching Education, Faculty of Sport Sciences, Bursa Uludağ University, 16059 Bursa, Türkiye.
低强度抵抗训练 (RT) 比高强度RT更快地促进心脏恢复. 选择较轻的负载和更高的RT重复可能会减少心血管压力,特别是对于血压正常的人来说.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 自主神经系统功能 自主神经系统功能
背景情况:
- 心脏同心血管平衡是由急性抵抗训练 (RT) 调节的.
- 不同RT负载强度对这种生理反应的具体影响需要进一步澄清.
- 了解RT后恢复动态对于优化训练协议至关重要.
研究的目的:
- 在低 (40%),中等 (60%) 和高 (80%) 负载强度RT协议后,比较心脏交感血管平衡的恢复时间.
- 为了研究不同RT强度对肌肉衰竭对心率变化 (HRV) 和血压 (BP) 的影响.
- 阐明最佳的RT强度,以促进抵抗训练男性更快的生理恢复.
主要方法:
- 16名经受阻力训练的男子参加了一个随机交叉设计.
- 复习训练包括四项运动 (背,长椅压力,杆排列,肩部压力),以最大1次重复 (1RM) 的40%,60%或80%进行肌肉衰竭.
- 心率变化 (HRV) 和血压 (BP) 在运动前和运动后40分钟的恢复期间被测量.
主要成果:
- 较低负荷RT (40%和60%1RM) 导致连续R-R间隔 (RMSSD) 值的平方根平均值明显高于高负荷RT (80%1RM) 在运动后30分钟和40分钟.
- 与80%的RT会话相比,40%的RT会话在40分钟后的HRV中显示出显著更高的高频 (HF) 功率.
- 在测量HRV参数中,在40%和60%的RT会话之间没有观察到显著差异.
结论:
- 在80%的1RM强度下,对肌肉衰竭进行抵抗训练会急剧增加交感活动,可能会增加心血管应激.
- 对于血压正常的人来说,建议使用较轻的负载和更高的重复量来处方RT.
- 更重负荷的RT可能会增加心脏相关因素的风险,这表明需要仔细考虑强度和体积.
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